nv_redfish/computer_system/drive.rs
1// SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
2// SPDX-License-Identifier: Apache-2.0
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8// http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16use crate::schema::redfish::drive::Drive as DriveSchema;
17use crate::schema::redfish::drive_metrics::DriveMetrics;
18use crate::Error;
19use crate::NvBmc;
20use crate::Resource;
21use crate::ResourceSchema;
22use nv_redfish_core::Bmc;
23use nv_redfish_core::NavProperty;
24use std::sync::Arc;
25
26#[cfg(feature = "sensors")]
27use crate::sensor::extract_environment_sensors;
28#[cfg(feature = "sensors")]
29use crate::sensor::SensorRef;
30
31/// Represents a drive (disk) in a storage controller.
32///
33/// Provides access to drive information and associated metrics/sensors.
34pub struct Drive<B: Bmc> {
35 bmc: NvBmc<B>,
36 data: Arc<DriveSchema>,
37}
38
39impl<B: Bmc> Drive<B> {
40 /// Create a new drive handle.
41 pub(crate) async fn new(
42 bmc: &NvBmc<B>,
43 nav: &NavProperty<DriveSchema>,
44 ) -> Result<Self, Error<B>> {
45 nav.get(bmc.as_ref())
46 .await
47 .map_err(Error::Bmc)
48 .map(|data| Self {
49 bmc: bmc.clone(),
50 data,
51 })
52 }
53
54 /// Get the raw schema data for this drive.
55 ///
56 /// Returns an `Arc` to the underlying schema, allowing cheap cloning
57 /// and sharing of the data.
58 #[must_use]
59 pub fn raw(&self) -> Arc<DriveSchema> {
60 self.data.clone()
61 }
62
63 /// Get drive metrics.
64 ///
65 /// Returns the drive's performance and state metrics if available.
66 ///
67 /// # Errors
68 ///
69 /// Returns an error if:
70 /// - The drive does not have metrics
71 /// - Fetching metrics data fails
72 pub async fn metrics(&self) -> Result<Option<Arc<DriveMetrics>>, Error<B>> {
73 if let Some(metrics_ref) = &self.data.metrics {
74 metrics_ref
75 .get(self.bmc.as_ref())
76 .await
77 .map_err(Error::Bmc)
78 .map(Some)
79 } else {
80 Ok(None)
81 }
82 }
83
84 /// Get the environment sensors for this drive.
85 ///
86 /// Returns a vector of `Sensor<B>` obtained from environment metrics, if available.
87 ///
88 /// # Errors
89 ///
90 /// Returns an error if get of environment metrics failed.
91 #[cfg(feature = "sensors")]
92 pub async fn environment_sensors(&self) -> Result<Vec<SensorRef<B>>, Error<B>> {
93 let sensor_refs = if let Some(env_ref) = &self.data.environment_metrics {
94 extract_environment_sensors(env_ref, self.bmc.as_ref()).await?
95 } else {
96 Vec::new()
97 };
98
99 Ok(sensor_refs
100 .into_iter()
101 .map(|r| SensorRef::new(self.bmc.clone(), r))
102 .collect())
103 }
104}
105
106impl<B: Bmc> Resource for Drive<B> {
107 fn resource_ref(&self) -> &ResourceSchema {
108 &self.data.as_ref().base
109 }
110}